{"api_version":"1","generated_at":"2026-04-23T08:15:01+00:00","cve":"CVE-2021-26929","urls":{"html":"https://cve.report/CVE-2021-26929","api":"https://cve.report/api/cve/CVE-2021-26929.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-26929","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-26929"},"summary":{"title":"CVE-2021-26929","description":"An XSS issue was discovered in Horde Groupware Webmail Edition through 5.2.22 (where the Horde_Text_Filter library before 2.3.7 is used). 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The attacker can send a plain text e-mail message, with JavaScript encoded as a link or email that is mishandled by preProcess in Text2html.php, because bespoke use of \\x00\\x00\\x00 and \\x01\\x01\\x01 interferes with XSS defenses.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"26929","Ordinal":"2","NoteData":"2021-02-13","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"26929","Ordinal":"3","NoteData":"2021-04-15","Type":"Other","Title":"Modified"}]}}}